Lavatory basin



FIG. 1 is a top view of a lavatory basin showing our new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image of the left side shown;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a bottom view thereof. 

The design for a lavatory basin, as shown and described. 